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Literature summary for 7.6.2.8 extracted from

  • Weng, J.; Ma, J.; Fan, K.; Wang, W.
    The conformational coupling and translocation mechanism of vitamin B12 ATP-binding cassette transporter BtuCD (2008), Biophys. J., 94, 612-621.
    View publication on PubMedView publication on EuropePMC

Localization

Localization Comment Organism GeneOntology No. Textmining
periplasm
-
Escherichia coli
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + H2O + vitamin B12/out Escherichia coli
-
ADP + phosphate + vitamin B12/in
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli P06611 encoded by btuD gene; K12
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
intrinsic flexibility of isolated BtuC and BtuD dimers evaluated, conformational movement of intact BtuCD transporter studied in the context of conformational coupling between BtuC and BtuD, effect of BtuF association on the transporter conformational movement discussed Escherichia coli

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + H2O + vitamin B12/out
-
Escherichia coli ADP + phosphate + vitamin B12/in
-
?
ATP + H2O + vitamin B12/out elastic normal mode analysis of BtuCD performed, mechanism of vitamin B12 transport cycle proposed Escherichia coli ADP + phosphate + vitamin B12/in
-
?